Onkyo IEHF300S In-Ear Headphones 6N Oxygen-free copper cable protects signal for pure sound All-new 14.3 mm (9/16-Inch) high-performance drivers for deep bass, clear mid-range, and detailed treble Detachable design for easy cable replacement High-quality gold-plated MMCX and mini-stereo connectors Tough, lightweight, durable construction